Flowserve Naval Oy – A leading supplier of all-welded ball valves to District Heating industry since 1975

Naval Oy is one of the world´s largest manufacturers of all-welded ball valves. We specialize in the production and development of all-welded ball valves, control valves, and butterfly valves. For almost 40 years Naval Oy has succeeded in winning customer loyalty in fast growing district heating markets. Naval Oy is a member of the Flowserve Group.

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